It is possible to get data from final user?

Development
1

Thinling about making commercial applications with Home Assistant, it is possible to get data from front end?
For examole if I create an alarm system, it is possible to the final user introduce/change alarm password from front end?

3

Yes, that’s possible.

4

Thanks. How’s that?

5

Configurator

6

I couldnt found any explanation, do you have a link to share please?

7